Question 32Motor Plants - 1st Asst/Chief

The correct answer is D) measuring the cold valve clearance between components "C" and "D". The normal maintenance for the valve mechanism shown in the illustration MO-0074 would involve measuring the cold valve clearance between the valve stem (component C) and the valve tappet (component D). This is a standard procedure to ensure the proper operation of the valve mechanism and prevent any issues related to incorrect valve clearance. The other options are incorrect because they do not address the specific maintenance task required for this valve mechanism. Mechanically adjusting the valve at points "D" or "E" would not be part of the normal maintenance, and changing the tappet clearance between points "A" and "B" is not the appropriate action to take.